code: def _get_voc_results_file_template(self, evalDir):
      if not os.path.exists(evalDir):
          os.makedirs(evalDir)
      filename = self._image_set + "_{:s}.txt"
      return os.path.join(evalDir, filename)
  
imports: from __future__ import print_function
  import os, pdb
  import xml.dom.minidom
  import numpy
  import scipy.sparse
  import scipy.io
  import pickle
  import subprocess
  from .imdb import imdb
  from .voc_eval import voc_eval
label_desc: Use image node_id 17 for calling the pascal_voc obj's underlying member method code with example usage: obj._get_voc_results_file_template(evalDir) and returns: os